Common Goldeneye vs Harmless Serotine

Bucephala clangula compared with Eptesicus innoxius

Key Differences

• Common Goldeneye is Not Evaluated while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Common Goldeneye	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Chiroptera (Bats)
Family	Anatidae	Vespertilionidae
Genus	Bucephala	Eptesicus
Species	Bucephala clangula	Eptesicus innoxius

Evolutionary Relationship

Common Goldeneye and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Goldeneye

NE — Not Evaluated

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Common Goldeneye	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Goldeneye

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States).

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Goldeneye

Common Goldeneye (Bucephala clangula) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.